https://paleofuture.gizmodo.com/creepy-message-from-kids-discovered-in-1968-time-capsul-1787977621
https://www.providr.com/terrifying-and-creepy-things-discovered-under-frozen-ice/
http://kengarex.com/15-terrifying-things-that-were-found-in-time-capsules/6/
https://en.wikipedia.org/wiki/Electroconvulsive_therapy#United_States
https://mentalfloss.com/article/69867/time-capsule-film-1950s-mental-hospital-full-mysteries
https://www.therichest.com/shocking/15-creepiest-things-found-in-time-capsules/
https://en.wikipedia.org/wiki/KEO
https://thoughtcatalog.com/callie-byrnes/2017/02/the-creepy-messages-this-woman-found-when-remodeling-her-room-are-fucking-terrifying/
http://boredomtherapy.com/time-capsule-discovery/
http://panasonic.net/history/timecapsule/
https://www.safe.co.uk/safezone/2016/11/strange-things-found-in-time-capsules/
http://kengarex.com/15-terrifying-things-that-were-found-in-time-capsules/4/
http://www.itv.com/news/meridian/2016-02-09/message-in-a-bottle-discovered-in-southampton/
https://en.wikipedia.org/wiki/Benito_Mussolini
https://themoscowtimes.com/articles/time-capsule-found-under-lenin-statue-16384
http://nymag.com/daily/intelligencer/2017/07/time-capsule-that-resembled-an-old-missile-causes-bomb-scare.html
https://www.indy100.com/article/australia-sydney-letter-time-capsule-1995-predictions-islam-china-future-7845496
https://en.wikipedia.org/wiki/Crypt_of_Civilization
http://www.dailymail.co.uk/news/article-3794135/Reichsmarks-Nazi-badge-two-volumes-Mein-Kampf-Nazi-time-capsule-1934-buried-cement-Hitler-s-former-training-school.html
http://www.dailymail.co.uk/news/article-1308622/Mummified-babies-mystery-Police-link-British-woman-remains-trunk.html
http://articles.latimes.com/2010/nov/16/local/la-me-basement-babies-20101116